Project Gutenberg provides thousands of complete texts that are both free of charge and free of usage restrictions. In fact, this self-described "granddaddy of all e-book libraries" just this year brought its grand total to more than 100,000 books, including more than 40,000 produced by the project's leaders and volunteer staff of transcriptionists and editors.Project Gutenberg
Hippo Campus
HippoCampus, from the Monterey Institute for Technology and Education (MITE), is an online repository of distance education courses for secondary teachers and students. It includes standard courses and courses designed for AP students in subjects covering math, science, and social studies (including psychology and United States history).
Open Source MIT Highlights for School
Project Gutenberg provides thousands of complete texts that are both free of charge and free of usage restrictions. In fact, this self-described "granddaddy of all e-book libraries" just this year brought its grand total to more than 100,000 books, including more than 40,000 produced by the project's leaders and volunteer staff of transcriptionists and editors.Project Gutenberg
Hippo Campus
HippoCampus, from the Monterey Institute for Technology and Education (MITE), is an online repository of distance education courses for secondary teachers and students. It includes standard courses and courses designed for AP students in subjects covering math, science, and social studies (including psychology and United States history).